
    #tab {
        width: 500px;
        height: 100px;
        border: 1px solid;
        /* overflow: hidden;  */
    }

    #div {
        border-top: 1px solid;
        padding-top: 5px;
        /* overflow: hidden;  */

    }

    #btn{
        display: flex;
    }
    #main {
        width: 100%;
        height: 40px;
        border: 1px solid;
    }

    .active {
        display: block !important;
    }

    #main {
        display: none;
    }
    .color{
        background: red !important;
    }
    #mainBox{
        font-weight: 800;
    }

